Rhytida australis is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae.
This species is endemic to Stewart Island in New Zealand.[1] They are also in Native Island, which is an island off the east coast of Stewart Island.[2]
The dimensions of the eggs of Rhytida australis are 2.75 × 2.25, 2.75 × 2, 2.75 × 2.25 mm.[3]